package com.qf.mapper;/*
 *徐韬
 *2021/10/14
 *11:21
 */

import com.qf.entity.Grade;

import java.util.List;

public interface GradeMapper {
    List<Grade> selectGradeandStudnet();
    List<Grade> selectGradeById(Grade grade);
    int update(Grade grade);
    List<Grade> showAll();
}
